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32659-57-7

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32659-57-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 32659-57-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,6,5 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 32659-57:
(7*3)+(6*2)+(5*6)+(4*5)+(3*9)+(2*5)+(1*7)=127
127 % 10 = 7
So 32659-57-7 is a valid CAS Registry Number.

32659-57-7Upstream product

32659-57-7Relevant articles and documents

Direct synthesis of 2-substituted furotropones from tropolones utilizing alkynyl(phenyl)iodonium salts

Shu, Toshifusa,Chen, Da-Wei,Ochiai, Masahito

, p. 5539 - 5542 (1996)

Reaction of alkynyl(phenyl)iodonium tetrafluoroborates with tropolones in the presence of a base undergoes tandem O-Michael-carbene insertions and provides a useful route for the direct synthesis of 2-substituted furotropones from tropolones.

Azulene derivatives and pharmaceutical compositions containing them

-

, (2008/06/13)

Azulene derivatives of the following formula STR1 wherein R1 stands for an alkyl group of 1 to 3 carbon atoms, R2 stands for an alkyl group of 1 to 3 carbon atoms, and R3 is at the 5- or 6-position and stands for an alkyl

Azulene derivatives and pharmaceutical compositions containing them

-

, (2008/06/13)

Azulene derivatives of the following formula STR1 wherein R1 stands for an alkyl group of 1 to 3 carbon atoms, R2 stands for an alkyl group of 1 to 3 carbon atoms, and R3 is at the 5- or 6- position and stands for an alkyl

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